{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["machine or equipment", "material", "engineering feature", "process parameter", "manufacturing standard", "concept or principle"], "input": "However , due to larger melt pool widths and higher energy inputs than PBF methods , local thermal history effects produce significant location-dependent microstructure , porosity , and mechanical behavior that necessitates thorough quantification of this emergent technology ."}
{"machine or equipment": [], "material": ["melt pool"], "engineering feature": [], "process parameter": [], "manufacturing standard": [], "concept or principle": ["microstructure", "technology"]}